Moving all kernel files around just to fuck with whoever's keeping track ;)

src/xenia/kernel/xboxkrnl_ob.cc

@@ -0,0 +1,99 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/kernel/xboxkrnl_ob.h>
+
+#include <xenia/kernel/kernel_state.h>
+#include <xenia/kernel/xboxkrnl_private.h>
+#include <xenia/kernel/xobject.h>
+#include <xenia/kernel/objects/xthread.h>
+#include <xenia/kernel/util/shim_utils.h>
+
+
+using namespace xe;
+using namespace xe::kernel;
+using namespace xe::kernel::xboxkrnl;
+
+
+namespace xe {
+namespace kernel {
+
+
+SHIM_CALL ObReferenceObjectByHandle_shim(
+    PPCContext* ppc_state, KernelState* state) {
+  uint32_t handle = SHIM_GET_ARG_32(0);
+  uint32_t object_type_ptr = SHIM_GET_ARG_32(1);
+  uint32_t out_object_ptr = SHIM_GET_ARG_32(2);
+
+  XELOGD(
+      "ObReferenceObjectByHandle(%.8X, %.8X, %.8X)",
+      handle,
+      object_type_ptr,
+      out_object_ptr);
+
+  X_STATUS result = X_STATUS_INVALID_HANDLE;
+
+  XObject* object = NULL;
+  result = state->object_table()->GetObject(handle, &object);
+  if (XSUCCEEDED(result)) {
+    // TODO(benvanik): verify type with object_type_ptr
+
+    // TODO(benvanik): get native value, if supported.
+    uint32_t native_ptr = 0xDEADF00D;
+    switch (object_type_ptr) {
+    case 0xD01BBEEF: // ExThreadObjectType
+      {
+        XThread* thread = (XThread*)object;
+        native_ptr = thread->thread_state();
+      }
+      break;
+    }
+
+    if (out_object_ptr) {
+      SHIM_SET_MEM_32(out_object_ptr, native_ptr);
+    }
+  }
+
+  SHIM_SET_RETURN(result);
+}
+
+
+SHIM_CALL ObDereferenceObject_shim(
+    PPCContext* ppc_state, KernelState* state) {
+  uint32_t native_ptr = SHIM_GET_ARG_32(0);
+
+  XELOGD(
+      "ObDereferenceObject(%.8X)",
+      native_ptr);
+
+  // Check if a dummy value from ObReferenceObjectByHandle.
+  if (native_ptr == 0xDEADF00D) {
+    SHIM_SET_RETURN(0);
+    return;
+  }
+
+  void* object_ptr = SHIM_MEM_ADDR(native_ptr);
+  XObject* object = XObject::GetObject(state, object_ptr);
+  if (object) {
+    object->Release();
+  }
+
+  SHIM_SET_RETURN(0);
+}
+
+
+}  // namespace kernel
+}  // namespace xe
+
+
+void xe::kernel::xboxkrnl::RegisterObExports(
+    ExportResolver* export_resolver, KernelState* state) {
+  SHIM_SET_MAPPING("xboxkrnl.exe", ObReferenceObjectByHandle, state);
+  SHIM_SET_MAPPING("xboxkrnl.exe", ObDereferenceObject, state);
+}